Search Results - "Winters, Jennifer G."
-
1
Flare Rates, Rotation Periods, and Spectroscopic Activity Indicators of a Volume-complete Sample of Mid- to Late-M Dwarfs within 15 pc
Published in The Astrophysical journal (01-12-2020)“…We present a study of flare rates, rotation periods, and spectroscopic activity indicators of 125 single stars within 15 parsecs and with masses between 0.1…”
Get full text
Journal Article -
2
Active Stars in the Spectroscopic Survey of Mid-to-late M Dwarfs within 15 pc
Published in The Astronomical journal (01-07-2023)“…Abstract We present results from the volume-complete spectroscopic survey of 0.1–0.3 M ⊙ M dwarfs within 15 pc. This work discusses the active sample without…”
Get full text
Journal Article -
3
Variability Timescales of Hα on Active Mid-to-late M dwarfs
Published in The Astrophysical journal (01-04-2022)“…Abstract We present a study of the variation timescales of the chromospheric activity indicator H α on a sample of 13 fully convective, active mid-to-late M…”
Get full text
Journal Article -
4
Mid-to-late M Dwarfs Lack Jupiter Analogs
Published in The Astronomical journal (01-07-2023)“…Abstract Cold Jovian planets play an important role in sculpting the dynamical environment in which inner terrestrial planets form. The core accretion model…”
Get full text
Journal Article -
5
HST/WFC3 Light Curve Supports a Terrestrial Composition for the Closest Exoplanet to Transit an M Dwarf
Published in The Astronomical journal (01-10-2023)“…Abstract Previous studies of the exoplanet LTT 1445Ac concluded that the light curve from the Transiting Exoplanet Survey Satellite (TESS) was consistent with…”
Get full text
Journal Article -
6
Erratum: “The POKEMON Speckle Survey of Nearby M Dwarfs. III. The Stellar Multiplicity Rate of M Dwarfs within 15 pc” (2024, AJ, 167, 174)
Published in The Astronomical journal (01-11-2024)Get full text
Journal Article -
7
Erratum: “The POKEMON Speckle Survey of Nearby M Dwarfs. II. Observations of 1125 Targets” (2024, AJ, 167, 56)
Published in The Astronomical journal (01-11-2024)Get full text
Journal Article -
8
The POKEMON Speckle Survey of Nearby M Dwarfs. II. Observations of 1125 Targets
Published in The Astronomical journal (01-02-2024)“…Abstract Stellar multiplicity is correlated with many stellar properties, yet multiplicity measurements have proven difficult for the M dwarfs—the most common…”
Get full text
Journal Article -
9
LHS 475 b: A Potential Venus Analog Orbiting a Nearby M Dwarf
Published in The Astronomical journal (01-05-2024)“…Abstract Based on photometric observations by TESS, we present the discovery of a potential Venus analog transiting LHS 475, an M3 dwarf located 12.5 pc from…”
Get full text
Journal Article -
10
The POKEMON Speckle Survey of Nearby M Dwarfs. III. The Stellar Multiplicity Rate of M Dwarfs within 15 pc
Published in The Astronomical journal (01-04-2024)“…Abstract M dwarfs are ubiquitous in our Galaxy, and the rate at which they host stellar companions, and the properties of these companions, provide a window…”
Get full text
Journal Article -
11
Galactic Kinematics and Observed Flare Rates of a Volume-complete Sample of Mid-to-late M Dwarfs: Constraints on the History of the Stellar Radiation Environment of Planets Orbiting Low-mass Stars
Published in The Astrophysical journal (01-08-2022)“…Abstract We present a study of the relationship between Galactic kinematics, flare rates, chromospheric activity, and rotation periods for a volume-complete,…”
Get full text
Journal Article -
12
Constraints on the Spindown of Fully Convective M Dwarfs Using Wide Field Binaries
Published in The Astrophysical journal (01-09-2022)“…Abstract M dwarfs remain active over longer timescales than their Sunlike counterparts, with potentially devastating implications for the atmospheres of their…”
Get full text
Journal Article -
13
A temperate rocky super-Earth transiting a nearby cool star
Published in Nature (London) (20-04-2017)“…An Earth-sized planet is observed orbiting a nearby star within the liquid-water, habitable zone, the atmospheric composition of which could be determined from…”
Get full text
Journal Article -
14
The Solar Neighborhood. XLIX. New Discoveries and Orbits of M-dwarf Multiples with Speckle Interferometry at SOAR
Published in The Astronomical journal (01-04-2022)“…Abstract We present the first results of a multiyear program to map the orbits of M-dwarf multiples within 25 pc. The observations were conducted primarily…”
Get full text
Journal Article -
15
The POKEMON Speckle Survey of Nearby M Dwarfs. I. New Discoveries
Published in The Astronomical journal (01-08-2022)“…Abstract M dwarfs are favorable targets for exoplanet detection with current instrumentation, but stellar companions can induce false positives and inhibit…”
Get full text
Journal Article -
16
An Adaptive Optics Census of Companions to Northern Stars Within 25 pc with Robo-AO
Published in The Astronomical journal (01-05-2022)“…Abstract In order to assess the multiplicity statistics of stars across spectral types and populations in a volume-limited sample, we censused nearby stars for…”
Get full text
Journal Article -
17
A Dearth of Close-in Stellar Companions to M-dwarf TESS Objects of Interest
Published in The Astronomical journal (01-05-2022)“…Abstract TESS has proven to be a powerful resource for finding planets, including those that orbit the most prevalent stars in our galaxy: M dwarfs…”
Get full text
Journal Article -
18
Photometric colors of the brightest members of the Jupiter L5 Trojan cloud
Published in Icarus (New York, N.Y. 1962) (01-06-2016)“…•We present photometric color observations for the 42 largest L5 Jupiter Trojans.•We calculate a color principal component for separating DLike and XLike…”
Get full text
Journal Article -
19
GJ 1252 b: A 1.2 R⊕ Planet Transiting an M3 Dwarf at 20.4 pc
Published in The Astrophysical journal (10-02-2020)“…We report the discovery of GJ 1252 b, a planet with a radius of 1.193 ± 0.074 R⊕ and an orbital period of 0.52 days around an M3-type star (0.381 ± 0.019 M⊕,…”
Get full text
Journal Article -
20
The LHS 1678 System: Two Earth-sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc
Published in The Astronomical journal (01-04-2022)“…Abstract We present the Transiting Exoplanet Survey Satellite (TESS) discovery of the LHS 1678 (TOI-696) exoplanet system, comprised of two approximately…”
Get full text
Journal Article